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friendica
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If a page contains a feed url then follow it.

This commit is contained in:
Michael Vogel 2016-07-07 22:37:16 +02:00
parent 2e37234a41
commit c625b6aba8
1 changed files with 42 additions and 3 deletions
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45
include/Probe.php
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@ -706,12 +706,51 @@ class Probe {
return $data;
}
private function feed($url) {
private function get_feed_link($url) {
$doc = new DOMDocument();
if (!@$doc->loadHTMLFile($url))
return false;
$xpath = new DomXPath($doc);
//$feeds = $xpath->query("/html/head/link[@type='application/rss+xml']");
$feeds = $xpath->query("/html/head/link[@type='application/rss+xml' and @rel='alternate']");
if (!is_object($feeds))
return false;
if ($feeds->length == 0)
return false;
$feed_url = "";
foreach ($feeds AS $feed) {
$attr = array();
foreach ($feed->attributes as $attribute)
$attr[$attribute->name] = trim($attribute->value);
if ($feed_url == "")
$feed_url = $attr["href"];
}
return $feed_url;
}
private function feed($url, $probe = true) {
$feed = fetch_url($url);
$feed_data = feed_import($feed, $dummy1, $dummy2, $dummy3, true);
if (!$feed_data)
return false;
if (!$feed_data) {
if (!$probe)
return false;
$feed_url = self::get_feed_link($url);
if (!$feed_url)
return false;
return self::feed($feed_url, false);
}
if ($feed_data["header"]["author-name"] != "")
$data["name"] = $feed_data["header"]["author-name"];